#!/usr/bin/env python
#coding=utf-8
n=123
f=456.789
s1='Hello,world'
s2='Hello,\'Adam\''
s3=r'Hello,"bart"'  # r--指示内部字符不转义
s4=r'''Helloasdwe,
Lisa!'''
s5=r'是我加二维v\njsd \
nqwjelkj "jkqwlek" \nqwje'
print(n)
print(f)
print(s1)
print(s2)
print(s3)
print(s4)
print(s5)